karma.conf.js

// Karma configuration file, see link for more information
// https://karma-runner.github.io/1.0/config/configuration-file.html

module.exports = function(config) {
    const configuration = {
        basePath: '',
        frameworks: [ 'jasmine', '@angular-devkit/build-angular' ],
        plugins: [
            require('karma-jasmine'),
            require('karma-phantomjs-launcher'),
            require('karma-jasmine-html-reporter'),
            require('karma-coverage-istanbul-reporter'),
            require('@angular-devkit/build-angular/plugins/karma'),
        ],
        client: {
            clearContext: false, // leave Jasmine Spec Runner output visible in browser
        },
        coverageIstanbulReporter: {
            dir: require('path').join(__dirname, 'coverage'),
            reports: [ 'html', 'lcovonly' ],
            fixWebpackSourcePaths: true,
        },
        angularCli: {
            environment: 'dev',
        },
        reporters: [ 'progress', 'kjhtml' ],
        port: 9876,
        colors: true,
        logLevel: config.LOG_INFO,
        autoWatch: true,
        browsers: [ 'PhantomJS' ],
        customLaunchers: {
            Chrome_travis_ci: {
                base: 'Chrome',
                flags: [ '--no-sandbox' ],
            },
        },
        singleRun: false,
    };

    if (process.env.TRAVIS) {
        configuration.browsers = [ 'Chrome_travis_ci' ];
    }

    config.set(configuration);
};